Emulsion concentrate

Abstract

The present invention relates to an emulsion concentrate containing water-insoluble oil components (A), hydrophilic non-ionic emulsifiers (B), lipophilic co-emulsifiers (C), polyols (D) and water; which comprises less than 50% by weight of water-insoluble oil component (A), based on the total weight of the concentrate, and comprises components (A), (B) and (C) and (D) in a ratio by weight A:B:C:D=1:(0.25-0.6):(0.25-0.6):(0.45-0.65). The invention further relates to the use of these emulsion concentrates, and also to preparations and paper products, non-woven products or textile products for body care and personal cleansing, which comprise water-insoluble oil components (A), hydrophilic non-ionic emulsifiers (B), lipophilic co-emulsifiers (C), and polyols (D) in a ratio by weight A:B:C:D=1:(0.25-0.6):(0.25-0.6):(0.45-0.65).

The invention claimed is: 
     
       1. An emulsion concentrate consisting essentially of, based on the total weight of the concentrate:
 (A) less than 50% by weight in total of a water-insoluble oil component, 
 (B) 1 to 25% by weight of a hydrophilic nonionic emulsifier; 
 (C) 1 to 25% by weight of a lipophilic coemulsifer; 
 (D) 8 to 15% of a polyol, 
 (E) 35 to 55% by weight of an aqueous phase, and 
 (F) optionally, up to 25% by weight of an additional ingredient, wherein the additional ingredient selected from the group consisting of a preservative, a biogenic active ingredient, a UV photoprotective filter, a thickener, a superfatting agent, a stabilizer, a polymer, an antioxidant, a deodorant, a film former, a swelling agent, an insect repellant, a hydrotrope, a solubilizer, a perfume oil, a dye, and combinations thereof, 
 wherein the total of (A), (B), (C) and (D) are present in a weight ratio A:B:C:D=1:(0.25-0.6):(0.25-0.6):(0.45-0.65), wherein if an additional ingredient (F) also falls under (A), (B), (C) or (D), then the additional ingredient (F) is counted toward (A), (B), (C) or (D), 
 wherein the emulsion concentrate is flowable and pumpable at 20° C., and 
 wherein the water-insoluble component (A) is selected from the group consisting of hydrocarbons which are liquid at 30° C., dialkyl ethers, C6-C22 fatty acids esterified with C6-C22 fatty alcohols, dialkyl carbonates, Guerbet alcohols, silicone oils, esters of linear C6-22 fatty acids with branched alcohols, triglycerides based on C6-10 fatty acids and mixtures thereof, with the proviso that the total of (A), (B), (C), (D), (E), and (F) is 100%. 
 
     
     
       2. The emulsion concentrate of  claim 1  wherein at least 60% by weight of the water-insoluble oil component (A) has an average polarity of greater than or equal to 20 mN/m and less than or equal to 30 mN/m. 
     
     
       3. The emulsion concentrate of  claim 1 , wherein said hydrophilic nonionic emulsifier (B) is selected from the group consisting of ethoxylated linear fatty alcohols, ethoxylated fatty acids, ethoxylated fatty acid partial glycerides, ethoxylated sorbitan fatty acid esters and ethoxylated alkyl (oligo)glycosides, and wherein the compounds have an HLB value of 11-20. 
     
     
       4. The emulsion concentrate of  claim 1 , wherein said lipophilic coemulsifier (C) is selected from the group consisting of saturated fatty alcohols having 12-24 carbon atoms, partial esters of polyols having 3-6 carbon atoms, fatty acids having 12-24 carbon atoms and mixtures thereof. 
     
     
       5. The emulsion concentrate of  claim 1 , wherein said polyol comprises polyhydric alcohols which contain 2 to 18 carbon atoms. 
     
     
       6. The emulsion concentrate of  claim 5 , wherein said polyol comprises 2 to 6 hydroxyl groups. 
     
     
       7. The emulsion concentrate of  claim 5 , wherein said polyol comprises at least one compound selected from the group consisting of glycerol, 1,2-propylene glycol, sorbitol, butylene glycol and hexylene glycol. 
     
     
       8. The emulsion concentrate of  claim 1 , wherein:
 (A) the water-insoluble oil component is present in an amount in the range of 5 to 25 weight %, comprising one or more of: cetearyl isononanoate, cococaprylate/caprate, mineral oil, caprylic/capric triglyceride, and isopropyl palmitate, 
 (B) the hydrophilic nonionic emulsifier is present in an amount in the range of 5 to 20 weight %, comprising one or more addition products of 8-30 mol of ethylene oxide onto linear fatty alcohols having 12-22 carbon atoms; 
 (C) the lipophilic coemulsifer is present in an amount in the range of 8 to 15 weight %, comprising one or more partial glycerides of C12 to C22 fatty acids with glycerol, and saturated fatty alcohols having 16-22 carbon atoms; and 
 (D) the polyol is present in an amount in the range of 8 to 15 weight %, has 2 to 6 hydroxyl groups per molecule and consists of 2 to 6 carbon atoms. 
 
     
     
       9. A cosmetic or pharmaceutical preparation comprising:
 a cosmetic or pharmaceutical ingredient; and 
 an emulsion concentrate consisting essentially of, based on the total weight of the concentrate 
 (A) less than 50% by weight in total of a water-insoluble oil component; 
 (B) 1 to 25% by weight of a hydrophilic nonionic emulsifier; 
 (C) 1 to 25% by weight of a lipophilic coemulsifier; 
 (D) 8 to 15% by weight of a polyol; 
 (E) 35 to 55% by weight of an aqueous phase, and 
 (F) optionally, up to 25% by weight of an additional ingredient, wherein the additional ingredient selected from the group consisting of a preservative, a biogenic active ingredient, a UV photoprotective filter, a thickener, a superfatting agent, a stabilizer, a polymer, an antioxidant, a deodorant, a film former, a swelling agent, an insect repellant, a hydrotrope, a solubilizer, a perfume oil, a dye, and combinations thereof, 
 wherein the weight ratio A:B:C:D=1:(0.25-0.6):(0.25-0.6):(0.45-0.65), wherein if an additional ingredient (F) also falls under (A), (B), (C) or (D), then the additional ingredient (F) is counted toward (A), (B), (C) or (D), 
 wherein the emulsion concentrate is flowable and pumpable at 20° C., and 
 wherein the water-insoluble component (A) is selected from the group consisting of hydrocarbons which are liquid at 30° C., dialkyl ethers, C6-C22 fatty acids esterified with C6-C22 fatty alcohols, dialkyl carbonates, Guerbet alcohols, silicone oils, esters of linear C6-22 fatty acids with branched alcohols, triglycerides based on C6-10 fatty acids, and mixtures thereof, with the proviso that the total of (A), (B), (C), (D), (E), and (F) is 100%. 
 
     
     
       10. The cosmetic or pharmaceutical preparation of  claim 9 , wherein:
 (A) the water-insoluble oil component is present in an amount in the range of 5 to 25 weight %, comprising one or more of: cetearyl isononanoate, cococaprylate/caprate, mineral oil, caprylic/capric triglyceride, and isopropyl palmitate, 
 (B) the hydrophilic nonionic emulsifier is present in an amount in the range of 5 to 20 weight %, comprising one or more addition products of 8-30 mol of ethylene oxide onto linear fatty alcohols having 12-22 carbon atoms; 
 (C) the lipophilic coemulsifer is present in an amount in the range of 8 to 15 weight %, comprising one or more partial glycerides of C12 to C22 fatty acids with glycerol, and saturated fatty alcohols having 16-22 carbon atoms; and 
 (D) the polyol is present in an amount in the range of 8 to 15 weight %, has 2 to 6 hydroxyl groups per molecule and consists of 2 to 6 carbon atoms. 
 
     
     
       11. A paper, nonwoven or woven product for bodycare and cleansing comprising:
 a substrate; and 
 an emulsion concentrate consisting essentially of, based on the total weight of the concentrate 
 (A) less than 50% by weight in total of a water-insoluble oil component; 
 (B) 1 to 25% by weight of a hydrophilic nonionic emulsifier; 
 (C) 1 to 25% by weight of a lipophilic coemulsifier; 
 (D) 8 to 15% by weight of a polyol; 
 (E) 35 to 55% by weight of an aqueous phase, and 
 (F) optionally, up to 25% by weight an additional ingredient selected from the group consisting of a preservative, a biogenic active ingredient, a UV photoprotective filter, a thickener, a superfatting agent, a stabilizer, a polymer, an antioxidant, a deodorant, a film former, a swelling agent, an insect repellant, a hydrotrope, a solubilizer, a perfume oil, a dye, and combinations thereof, 
 wherein the weight ratio A:B:C:D=1:(0.25-0.6):(0.25-0.6):(0.45-0.65), wherein if an additional ingredient (F) also falls under (A), (B), (C) or (D), then the additional ingredient (F) is counted toward (A), (B), (C) or (D), and wherein the water-insoluble component (A) is selected from the group consisting of hydrocarbons which are liquid at 30° C., dialkyl ethers, C6-C22 fatty acids esterified with C6-C22 fatty alcohols, dialkyl carbonates, Guerbet alcohols, silicone oils, esters of linear C6-22 fatty acids with branched alcohols, triglycerides based on C6-10 fatty acids and mixtures thereof, with the proviso that the total of (A), (B), (C), (D), (E), and (F) is 100%. 
 
     
     
       12. The paper, nonwoven or woven product for bodycare and cleansing of  claim 11 , wherein:
 (A) the water-insoluble oil component is present in an amount in the range of 5 to 25 weight %, comprising one or more of: cetearyl isononanoate, cococaprylate/caprate, mineral oil, caprylic/capric triglyceride, and isopropyl palmitate, 
 (B) the hydrophilic nonionic emulsifier is present in an amount in the range of 5 to 20 weight %, comprising one or more addition products of 8-30 mol of ethylene oxide onto linear fatty alcohols having 12-22 carbon atoms; 
 (C) the lipophilic coemulsifer is present in an amount in the range of 8 to 15 weight %, comprising one or more partial glycerides of C12 to C22 fatty acids with glycerol, and saturated fatty alcohols having 16-22 carbon atoms; and 
 (D) the polyol is present in an amount in the range of 8 to 15 weight %, has 2 to 6 hydroxyl groups per molecule and consists of 2 to 6 carbon atoms. 
 
     
     
       13. A method of preparing a cosmetic and/or pharmaceutical preparation comprising incorporating the emulsion concentrate of  claim 1  in a cosmetic and/or pharmaceutical preparation. 
     
     
       14. A method of preparing a cosmetic and/or pharmaceutical preparation comprising incorporating the emulsion concentrate of  claim 1  in a cosmetic and/or pharmaceutical preparation, wherein the resulting preparation is an oil-in-water emulsion. 
     
     
       15. A method for coating a substrate comprising coating a substrate with the emulsion concentrate of  claim 1 . 
     
     
       16. A method for coating a substrate comprising coating a substrate with the cosmetic and/or pharmaceutical preparation of  claim 9 .